000			00313nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c395
040			_aET
100			_aJ.L WITTEN
245		0	_aSYSTEM ANALYSIS DESIGN METHODS
260			_bMGH PCL _aDELHI
300			_a780
500			_a14159
942			_cBK
999			_c20414 _d20414